private void CreateLicenseListeningSockets()
{
if (_initialized)
{
return;
}
_initialized = true;
if (string.IsNullOrEmpty(_userName))
{
_userName = Environment.UserName;
}
if (string.IsNullOrEmpty(_machineId))
{
_machineId = _identificationService.GetMachineId();
}
Log.Debug("Creating local license service and registering license sockets on local network");
var ipAddresses = GetIpAddresses();
foreach (var ipAddress in ipAddresses)
{
var thread = new Thread(HandleIncomingRequests);
thread.IsBackground = true;
thread.Start(ipAddress);
_listeningThreads.Add(thread);
}
}
public IValidationContext Validate(string machineIdToValidate)
{
Argument.IsNotNullOrWhitespace(() => machineIdToValidate);
var validationContext = new ValidationContext();
Log.Debug("Retrieving machine id");
var machineId = _identificationService.GetMachineId();
Log.Debug("Validating machine id '{0}' against expected machine id '{1}'", machineId, machineIdToValidate);
var machineSplitted = machineId.Split(new[] { LicenseElements.IdentificationSeparator }, StringSplitOptions.None);
var expectedSplitter = machineIdToValidate.Split(new[] { LicenseElements.IdentificationSeparator }, StringSplitOptions.None);
if (machineSplitted.Length != expectedSplitter.Length)
{
var error = "The number of items inside the license differ too much, assuming machine ids do not match";
Log.Error(error);
validationContext.AddBusinessRuleValidationResult(BusinessRuleValidationResult.CreateError(error));
return(validationContext);
}
var invalidEntries = 0;
for (var i = 0; i < machineSplitted.Length; i++)
{
if (!string.Equals(expectedSplitter[i], machineSplitted[i], StringComparison.OrdinalIgnoreCase))
{
invalidEntries++;
}
}
if (invalidEntries > Threshold)
{
var error = string.Format("{0} values are not equal, not accepting the machine id, maximum threshold is '{1}'", invalidEntries, Threshold);
Log.Error(error);
validationContext.AddBusinessRuleValidationResult(BusinessRuleValidationResult.CreateError(error));
return(validationContext);
}
if (invalidEntries > 0)
{
var warning = string.Format("One of the values is not equal, but we have a threshold of {0} so accepting machine id", Threshold);
Log.Warning(warning);
validationContext.AddBusinessRuleValidationResult(BusinessRuleValidationResult.CreateWarning(warning));
}
return(validationContext);
}
/// <summary>
/// Validates the license on the server.
/// </summary>
/// <param name="license">The license.</param>
/// <param name="serverUrl">The server URL.</param>
/// <param name="assembly">The assembly to get the information from. If <c>null</c>, the entry assembly will be used.</param>
/// <returns><c>true</c> if the license is valid, <c>false</c> otherwise.</returns>
public LicenseValidationResult ValidateLicenseOnServer(string license, string serverUrl, Assembly assembly = null)
{
Argument.IsNotNullOrWhitespace(() => license);
Argument.IsNotNullOrWhitespace(() => serverUrl);
if (assembly == null)
{
assembly = AssemblyHelper.GetEntryAssembly();
}
LicenseValidationResult validationResult = null;
try
{
var webRequest = WebRequest.Create(serverUrl);
webRequest.ContentType = "application/json";
webRequest.Method = "POST";
using (var sw = new StreamWriter(webRequest.GetRequestStream()))
{
var version = "unknown version";
if (assembly != null)
{
try
{
version = assembly.InformationalVersion();
if (string.IsNullOrWhiteSpace(version))
{
version = assembly.Version();
}
}
catch (Exception ex)
{
Log.Error(ex, "Failed to retrieve the product version");
}
}
var serviceLicenseValidation = new ServerLicenseValidation
{
MachineId = _identificationService.GetMachineId(),
ProductName = (assembly != null) ? assembly.Product() : "unknown product",
ProductVersion = version,
License = license
};
var json = JsonConvert.SerializeObject(serviceLicenseValidation);
sw.Write(json);
}
using (var httpWebResponse = webRequest.GetResponse())
{
using (var responseStream = httpWebResponse.GetResponseStream())
{
using (var streamReader = new StreamReader(responseStream))
{
var json = streamReader.ReadToEnd();
validationResult = JsonConvert.DeserializeObject <LicenseValidationResult>(json);
}
}
}
}
catch (Exception ex)
{
Log.Error(ex, "Failed to validate the license on the server");
}
if (validationResult == null)
{
validationResult = new LicenseValidationResult()
{
// We return success if we can't validate on the server, then it's up to the client to validate
IsValid = true,
AdditionalInfo = "Failed to check the license on the server"
};
}
return(validationResult);
}
